[PATCH v6 08/12] firmware: qcom: tzmem: export shm_bridge create/delete
kernel test robot
lkp at intel.com
Mon Jul 14 08:22:15 UTC 2025
Hi Amirreza,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 835244aba90de290b4b0b1fa92b6734f3ee7b3d9]
url: https://github.com/intel-lab-lkp/linux/commits/Amirreza-Zarrabi/tee-allow-a-driver-to-allocate-a-tee_device-without-a-pool/20250714-085215
base: 835244aba90de290b4b0b1fa92b6734f3ee7b3d9
patch link: https://lore.kernel.org/r/20250713-qcom-tee-using-tee-ss-without-mem-obj-v6-8-697fb7d41c36%40oss.qualcomm.com
patch subject: [PATCH v6 08/12] firmware: qcom: tzmem: export shm_bridge create/delete
config: arc-randconfig-001-20250714 (https://download.01.org/0day-ci/archive/20250714/202507141458.kBLqFFYk-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250714/202507141458.kBLqFFYk-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507141458.kBLqFFYk-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:5,
from drivers/firmware/qcom/qcom_tzmem.c:10:
drivers/firmware/qcom/qcom_tzmem.c: In function 'qcom_tzmem_shm_bridge_create':
>> drivers/firmware/qcom/qcom_tzmem.c:139:27: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'phys_addr_t' {aka 'unsigned int'} [-Wformat=]
dev_err(qcom_tzmem_dev, "SHM Bridge failed: ret %d paddr 0x%llx, size%zu\n",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:110:16: note: in definition of macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
^~~
include/linux/dev_printk.h:154:49: note: in expansion of macro 'dev_fmt'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~
drivers/firmware/qcom/qcom_tzmem.c:139:3: note: in expansion of macro 'dev_err'
dev_err(qcom_tzmem_dev, "SHM Bridge failed: ret %d paddr 0x%llx, size%zu\n",
^~~~~~~
vim +139 drivers/firmware/qcom/qcom_tzmem.c
110
111 /**
112 * qcom_tzmem_shm_bridge_create() - Create a SHM bridge.
113 * @paddr: Physical address of the memory to share.
114 * @size: Size of the memory to share.
115 * @handle: Handle to the SHM bridge.
116 *
117 * On platforms that support SHM bridge, this function creates a SHM bridge
118 * for the given memory region with QTEE. The handle returned by this function
119 * must be passed to qcom_tzmem_shm_bridge_delete() to free the SHM bridge.
120 *
121 * Return: On success, returns 0; on failure, returns < 0.
122 */
123 int qcom_tzmem_shm_bridge_create(phys_addr_t paddr, size_t size, u64 *handle)
124 {
125 u64 pfn_and_ns_perm, ipfn_and_s_perm, size_and_flags;
126 int ret;
127
128 if (!qcom_tzmem_using_shm_bridge)
129 return 0;
130
131 pfn_and_ns_perm = paddr | QCOM_SCM_PERM_RW;
132 ipfn_and_s_perm = paddr | QCOM_SCM_PERM_RW;
133 size_and_flags = size | (1 << QCOM_SHM_BRIDGE_NUM_VM_SHIFT);
134
135 ret = qcom_scm_shm_bridge_create(pfn_and_ns_perm, ipfn_and_s_perm,
136 size_and_flags, QCOM_SCM_VMID_HLOS,
137 handle);
138 if (ret) {
> 139 dev_err(qcom_tzmem_dev, "SHM Bridge failed: ret %d paddr 0x%llx, size%zu\n",
140 ret, paddr, size);
141
142 return ret;
143 }
144
145 return 0;
146 }
147 EXPORT_SYMBOL_GPL(qcom_tzmem_shm_bridge_create);
148
--
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